50 lines
1.1 KiB
Ruby
50 lines
1.1 KiB
Ruby
# == Subscribable concern
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#
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# Users can subscribe to these models.
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#
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# Used by Issue, MergeRequest, Label
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#
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module Subscribable
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extend ActiveSupport::Concern
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included do
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has_many :subscriptions, dependent: :destroy, as: :subscribable
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end
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def subscribed?(user)
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if subscription = subscriptions.find_by_user_id(user.id)
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subscription.subscribed
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else
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subscribed_without_subscriptions?(user)
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end
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end
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# Override this method to define custom logic to consider a subscribable as
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# subscribed without an explicit subscription record.
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def subscribed_without_subscriptions?(user)
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false
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end
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def subscribers
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subscriptions.where(subscribed: true).map(&:user)
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end
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def toggle_subscription(user)
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subscriptions.
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find_or_initialize_by(user_id: user.id).
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update(subscribed: !subscribed?(user))
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end
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def subscribe(user)
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subscriptions.
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find_or_initialize_by(user_id: user.id).
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update(subscribed: true)
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end
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def unsubscribe(user)
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subscriptions.
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find_or_initialize_by(user_id: user.id).
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update(subscribed: false)
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end
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end
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